McVitie Weston valve collection, Cooper-Hewitt mercury arc rectifier valve, type c.1908/10
- Made:
- circa 1908
Cooper-Hewitt mercury arc rectifier valve, type c.1908/10, (RMW/A240 - McVitie Weston number), by Westinghouse Cooper Hewitt Co., c. 1908.
Cooper-Hewitt mercury arc rectifier valve, type c.1908/10, (RMW/A240 - McVitie Weston number), by Westinghouse Cooper Hewitt Co., c. 1908.